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ICICS
2010
Springer
13 years 1 months ago
Unconditionally Secure First-Price Auction Protocols Using a Multicomponent Commitment Scheme
Due to the rapid growth of e-commerce technology, secure auction protocols have attracted much attention among researchers. The main reason for constructing sealed-bid auction prot...
Mehrdad Nojoumian, Douglas R. Stinson
CRYPTO
2005
Springer
116views Cryptology» more  CRYPTO 2005»
13 years 9 months ago
New Monotones and Lower Bounds in Unconditional Two-Party Computation
Since bit and string oblivious transfer and commitment, two primitives of paramount importance in secure two- and multi-party computation, cannot be realized in an unconditionally ...
Stefan Wolf, Jürg Wullschleger
CRYPTO
2010
Springer
158views Cryptology» more  CRYPTO 2010»
13 years 4 months ago
Interactive Locking, Zero-Knowledge PCPs, and Unconditional Cryptography
Motivated by the question of basing cryptographic protocols on stateless tamper-proof hardware tokens, we revisit the question of unconditional two-prover zero-knowledge proofs fo...
Vipul Goyal, Yuval Ishai, Mohammad Mahmoody, Amit ...
SACRYPT
2004
Springer
13 years 9 months ago
On Proactive Secret Sharing Schemes
Abstract. This paper investigates the security of Proactive Secret Sharing Schemes. We start with revision of the mobile adversary model of Herzberg’s et al. imposing less restri...
Ventzislav Nikov, Svetla Nikova
DAGSTUHL
2006
13 years 5 months ago
Using Quantum Oblivious Transfer to Cheat Sensitive Quantum Bit Commitment
It is well known that unconditionally secure bit commitment is impossible even in the quantum world. In this paper a weak variant of quantum bit commitment, introduced independent...
Andreas Jakoby, Maciej Liskiewicz, Aleksander Madr...